CN106761658A - Improved high-efficiency gas anchor - Google Patents

Improved high-efficiency gas anchor Download PDF

Info

Publication number
CN106761658A
CN106761658A CN201611271679.3A CN201611271679A CN106761658A CN 106761658 A CN106761658 A CN 106761658A CN 201611271679 A CN201611271679 A CN 201611271679A CN 106761658 A CN106761658 A CN 106761658A
Authority
CN
China
Prior art keywords
gas
ring sleeve
liquid separation
helical blade
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611271679.3A
Other languages
Chinese (zh)
Other versions
CN106761658B (en
Inventor
田旭
范颖
杨耀民
王建村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenmu Fuyuansheng Mine Support Material Co ltd
Original Assignee
National Deep Sea Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Deep Sea Center filed Critical National Deep Sea Center
Priority to CN201611271679.3A priority Critical patent/CN106761658B/en
Publication of CN106761658A publication Critical patent/CN106761658A/en
Application granted granted Critical
Publication of CN106761658B publication Critical patent/CN106761658B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • E21B43/38Arrangements for separating materials produced by the well in the well

Abstract

The present invention relates to a kind of gas anchor, more particularly to a kind of improved high-efficiency gas anchor, it is characterized in that:It is including power rail, translating rotation set, upper helical blade, lower helical blade, outer gas-liquid separation set, interior gas-liquid separation set, exterior ring cap, outer middle ring sleeve, interior middle ring sleeve, inner ring sleeve etc.;Power rail connects the sucker rod on top, translating rotation set is interacted in the form of ball-screw with power rail, it is arranged in upper connection by converting set bearing, and be connected with upper helical blade, outer gas-liquid separation set is located between lower shell and outer middle ring sleeve, and gas and liquid are separated by buoyancy valve ball, and interior gas-liquid separation set is located between outer middle ring sleeve and inner ring sleeve, gas and liquid are separated by buoyancy valve ball, outer middle ring sleeve is arranged in the groove of the second-order separation joint with inner ring sleeve.It carries out gas-liquid separation, and heighten the effect of gas-liquid separation by adding ring set increase crude oil flow velocity for existing gas anchor using centrifugal force.

Description

Improved high-efficiency gas anchor
Technical field
The present invention relates to a kind of gas anchor, more particularly to a kind of improved high-efficiency gas anchor.
Background technology
The effect of gas anchor is, into separating portion gas before pump, to reduce influence of the gas to pump in downhole fluid, Improve pump efficiency.Gas anchor separates portion gas therein before oil enters pump mounted in the porch of pump, and reduction enters pump barrel Interior tolerance.
Gas anchor is first separated the gas-liquid mixed liquid entered in gas anchor by centrifugation principle, the liquid after separation Again through Gravity Separation and eccentric separation, the liquid after separation enters oil pipe to body, and the gas isolated is discharged into annular space, so as to reach To the purpose that gas-liquid is efficiently separated.Its species is roughly divided into gravity separation type gas anchor and centrifugal separating type gas anchor.
The content of the invention
It is contemplated that improving the device of gas-liquid separation effect using centrifugal force and the method for improving flow rate of liquid.It is used Technical scheme it is as follows:
Improved high-efficiency gas anchor, including upper connection, power rail, translating rotation set, conversion set bearing, helical blade thrust Bearing, one-level gas-liquid separation sleeve, upper helical blade, upper shell, one-level separating joint, lock gear, one-stage gear, secondary gear Wheel, planet carrier, output gear, two grades of gas-liquid separation sets, lower helical blade, middle cylinder body, the second-order separation joint, outer gas-liquid separations Set, interior gas-liquid separation set, lower shell, exterior ring cap, outer middle ring sleeve, interior middle ring sleeve, inner ring sleeve, lower connector;The upper connection Connection top tubing string, and be connected with upper shell, the helical blade thrust bearing is arranged on upper helical blade and lower helical blade Top and bottom, while being arranged on upper connection, one-level separating joint and the second-order separation joint, one-level gas-liquid isolation Set is coaxially assembled in the groove of upper connection with upper helical blade, and gas and liquid are separated by buoyancy valve ball, described Upper shell is arranged between upper connection and one-level separating joint, and the lock gear is connected on one-level separating joint inwall, The planet carrier is arranged on upper helical blade bottom, and thereon by axle installation one-stage gear and secondary gear, the output Gear is arranged on lower helical blade top, and coordinates with secondary gear gear, and two grades of gas-liquid separations set is arranged on a fraction In the groove of joint, gas and liquid are separated by buoyancy valve ball, the middle cylinder body is arranged on one-level separating joint and two fractions Between joint, the lower connector is arranged on lower shell bottom;Rotary motion passes to helical blade, and by locking teeth The planetary reduction gear of wheel, one-stage gear, secondary gear, planet carrier and output gear composition is slowed down, and the low speed of conversion Rotation passes to lower helical blade, and the crude oil for entering gas-liquid separation enters through the endoporus of inner ring sleeve and the oil transportation hole of the second-order separation joint Enter middle cylinder body, lower helical blade rotarily drives the crude oil rotation of entrance, and under the influence of centrifugal force, crude oil carries out gas-liquid point herein From the gas isolated is located at middle cylinder body near axis, and assembles motion upwards, and covers into one-level via two grades of gas-liquid separations The steam vent of separating joint is discharged in annular space, the crude oil after separation by middle cylinder body inwall side and one-level separating joint oil transportation Duct enters upper shell, and the upper helical blade of rotation drives the crude oil of input to accelerate rotary motion at a high speed, so that further gas-liquid Separate, under the influence of centrifugal force, the gas isolated is located at upper shell near axis, and assembles motion upwards, and via one Level gas-liquid separation sleeve be discharged in annular space into the steam vent of upper connection, the crude oil after separation by upper shell inwall side and on The oil transportation duct of portion's joint enters upper connection top tubing string.
The power rail connects the sucker rod on top, and the translating rotation set is mutual with power rail in the form of ball-screw Effect, is arranged in upper connection, and be connected with upper helical blade by converting set bearing;Sucker rod drives power rail past up and down Multiple motion, power rail covers with translating rotation and interacts, translating rotation set by the convert reciprocating motion of power rail be it is lasting just Reversely rotate, translating rotation set communicates rotational motion to helical blade.
The outer gas-liquid separation set is located between lower shell and outer middle ring sleeve, and gas and liquid are separated by buoyancy valve ball, The interior gas-liquid separation set is located between outer middle ring sleeve and inner ring sleeve, and gas and liquid are separated by buoyancy valve ball, it is described it is outer in Ring set is arranged in the groove of the second-order separation joint with inner ring sleeve, and the exterior ring cap is arranged on the groove of lower shell bottom with interior middle ring sleeve In;Crude oil entered the tiny annular space of lower shell, exterior ring cap, outer middle ring sleeve, interior middle ring sleeve and inner ring sleeve composition, and crude oil flow velocity increases Greatly, overflowed from crude oil so as to accelerate gas, and the air accumulation for overflowing is existed by outer gas-liquid separation set, interior gas-liquid separation set The top of lower shell, and steam vent by the second-order separation joint enters annular space.
The invention has the advantages that:Carried out using different rotating speeds using the reciprocating motion driving helical blade of sucker rod Gas-liquid separation, the effect of gas-liquid separation is heightened by adding ring set increase crude oil flow velocity, and separate using gas-liquid separation set The gas and crude oil of separation.
Brief description of the drawings
Fig. 1:Improved high-efficiency gas anchor internal structure schematic diagram;
Fig. 2:Improved high-efficiency gas anchor superstructure schematic diagram;
Fig. 3:Improved high-efficiency gas anchor substructure schematic diagram;
Fig. 4:Improved high-efficiency gas anchor central structure schematic diagram.
Symbol description
1. upper connection, 2. power rail, 3. translating rotation set, 4. conversion set bearing, 5. helical blade thrust bearing, 6. one Level gas-liquid separation sleeve, 7. goes up helical blade, 8. upper shell, 9. one-level separating joint, 10. lock gear, 11. one-stage gears, 12. Secondary gear, 13. planet carriers, 14. output gears, 15. 2 grades of gas-liquid separation sets, 16. times helical blades, 17. middle cylinder bodies, 18. The second-order separation joint, 19. outer gas-liquid separation sets, 20, interior gas-liquid separation set, 21. lower shells, 22. exterior ring caps, 23. outer middle ring sleeves, Middle ring sleeve in 24., 25. inner ring sleeves, 26. lower connectors.
Specific embodiment
The invention will be further described with example below in conjunction with the accompanying drawings:
As Figure 1-Figure 4, improved high-efficiency gas anchor, including upper connection 1, power rail 2, translating rotation set 3, conversion set Bearing 4, helical blade thrust bearing 5, one-level gas-liquid separation sleeve 6, upper helical blade 7, upper shell 8, one-level separating joint 9, lock Fixed gear 10, one-stage gear 11, secondary gear 12, planet carrier 13,14, two grades of gas-liquid separation sets 15, lower helical-blade of output gear Piece 16, middle cylinder body 17, the second-order separation joint 18, outer gas-liquid separation set 19, interior gas-liquid separation set 20, lower shell 21, exterior ring cap 22, Outer middle ring sleeve 23, interior middle ring sleeve 24, inner ring sleeve 25, lower connector 26;The upper connection 1 connect top tubing string, and with upper cylinder Body 8 is connected, and the power rail 2 connects the sucker rod on top, translating rotation set 3 in the form of ball-screw with power rail 2 Interact, be arranged in upper connection 1 by converting set bearing 4, and be connected with upper helical blade 7, the helical blade is pushed away Power bearing 5 is arranged on the top and bottom of upper helical blade 7 and lower helical blade 16, while being arranged on upper connection 1, a fraction On joint 9 and the second-order separation joint 18, the one-level gas-liquid separation sleeve 6 be arranged on upper connection 1 groove in, and with upper spiral Blade 7 is coaxially assembled, and gas and liquid are separated by buoyancy valve ball, and the upper shell 8 is separated installed in upper connection 1 with one-level Between joint 9, the lock gear 10 is connected on the inwall of one-level separating joint 9, and the planet carrier 13 is arranged on upper helical-blade The bottom of piece 7, and thereon by axle installation one-stage gear 11 and secondary gear 12, the output gear 14 is arranged on lower helical-blade The top of piece 16, and coordinate with the gear of secondary gear 12, two grades of gas-liquid separations set 15 is arranged on the groove of one-level separating joint 9 In, gas and liquid are separated by buoyancy valve ball, the middle cylinder body 17 is arranged on one-level separating joint 9 and the second-order separation joint 18 Between, the outer gas-liquid separation set 19 is located between lower shell 21 and outer middle ring sleeve 23, and gas and liquid are separated by buoyancy valve ball Body, the interior gas-liquid separation set 20 is located between outer middle ring sleeve 23 and inner ring sleeve 25, and gas and liquid are separated by buoyancy valve ball, The outer middle ring sleeve 23 is arranged in the groove of the second-order separation joint 18 with inner ring sleeve 25, and the exterior ring cap 22 is pacified with interior middle ring sleeve 24 In the groove of the bottom of lower shell 21, the lower connector 26 is arranged on the bottom of lower shell 21.
Sucker rod drives power rail 2 to pump, and power rail 2 interacts with translating rotation set 3, translating rotation set The convert reciprocating motion of power rail 2 is lasting forward and reverse rotation by 3, and translating rotation set 3 communicates rotational motion to spiral Blade 7, and subtracted by the planet that lock gear 10, one-stage gear 11, secondary gear 12, planet carrier 13 and output gear 14 are constituted Fast device is slowed down, and the low speed rotation of conversion is passed to lower helical blade 16, under the crude oil warp of the gas-liquid mixed in stratum The perforate of the bottom of cylinder 21 enters lower shell 21, and crude oil entered lower shell 21, exterior ring cap 22, outer middle ring sleeve 23, interior middle ring sleeve 24 The tiny annular space constituted with inner ring sleeve 25, the increase of crude oil flow velocity, so that accelerate gas overflowed from crude oil, and by outer gas-liquid point 20 air accumulations that will be overflowed are covered on the top of lower shell 21 from set 19, interior gas-liquid separation, and by the second-order separation joint 18 Steam vent enters annular space, and the crude oil for entering gas-liquid separation enters through the endoporus of inner ring sleeve 25 and the oil transportation hole of the second-order separation joint 18 Middle cylinder body 17, lower helical blade 16 rotarily drives the crude oil rotation of entrance, and under the influence of centrifugal force, crude oil carries out gas-liquid herein Separate, the gas isolated is located at the near axis of middle cylinder body 17, and assembles motion upwards, and 15 covered via two grades of gas-liquid separations The steam vent for entering one-level separating joint 9 is discharged in annular space, and the crude oil after separation is separated by the inwall side of middle cylinder body 17 and one-level The oil transportation duct of joint 9 enters upper shell 8, and the upper helical blade 7 of rotation drives the crude oil of input to accelerate rotary motion at a high speed, from And further gas-liquid separation, under the influence of centrifugal force, the gas isolated is located at the near axis of upper shell 8, and assembles upward Motion, and be discharged in annular space into the steam vent of upper connection 1 via one-level gas-liquid separation sleeve 6, the crude oil after separation is by upper The oil transportation duct of the inwall side of cylinder 8 and upper connection 1 enters the top tubing string of upper connection 1.
The present invention is described by way of example above, but the invention is not restricted to above-mentioned specific embodiment, it is all to be based on Any change or modification that the present invention is done belong to the scope of protection of present invention.

Claims (3)

1. improved high-efficiency gas anchor, it is characterised in that:Including upper connection (1), power rail (2), translating rotation set (3), conversion Set bearing (4), helical blade thrust bearing (5), one-level gas-liquid separation sleeve (6), upper helical blade (7), upper shell (8), one-level Separating joint (9), lock gear (10), one-stage gear (11), secondary gear (12), planet carrier (13), output gear (14), two Level gas-liquid separation set (15), lower helical blade (16), middle cylinder body (17), the second-order separation joint (18), outer gas-liquid separation set (19), Interior gas-liquid separation set (20), lower shell (21), exterior ring cap (22), outer middle ring sleeve (23), interior middle ring sleeve (24), inner ring sleeve (25), Lower connector (26);Upper connection (1) connects top tubing string, and is connected with upper shell (8), helical blade thrust bearing (5) peace Mounted in the top and bottom of upper helical blade (7) and lower helical blade (16), while be arranged on upper connection (1), one-level separating On joint (9) and the second-order separation joint (18), one-level gas-liquid separation sleeve (6) in the groove of upper connection (1), and with upper spiral shell Vane piece (7) coaxially assemble, upper shell (8) between upper connection (1) and one-level separating joint (9), lock gear (10) it is connected on one-level separating joint (9) inwall, planet carrier (13) leads to thereon installed in upper helical blade (7) bottom Cross axle and one-stage gear (11) and secondary gear (12) be installed, output gear (14) at the top of lower helical blade (16), and with Secondary gear (12) gear coordinate, two grades of gas-liquid separation sets (15) in the groove of one-level separating joint (9), middle cylinder body (17) Between one-level separating joint (9) and the second-order separation joint (18), lower connector (26) is installed in lower shell (21) bottom.
2. improved high-efficiency gas anchor according to claim 1, it is characterised in that:Power rail (2) connects the sucker rod on top, Translating rotation set (3) is interacted in the form of ball-screw with power rail (2), by converting set bearing (4) installed in top On joint (1), and it is connected with upper helical blade (7).
3. improved high-efficiency gas anchor according to claim 1, it is characterised in that:Outer gas-liquid separation set (19) is positioned at lower shell (21) between outer middle ring sleeve (23), interior gas-liquid separation set (20) between outer middle ring sleeve (23) and inner ring sleeve (25), it is outer in Ring set (23) with inner ring sleeve (25) in the groove of the second-order separation joint (18), with interior middle ring sleeve (24) install by exterior ring cap (22) In the groove of lower shell (21) bottom.
CN201611271679.3A 2016-12-13 2016-12-13 Improved efficient gas anchor Active CN106761658B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611271679.3A CN106761658B (en) 2016-12-13 2016-12-13 Improved efficient gas anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611271679.3A CN106761658B (en) 2016-12-13 2016-12-13 Improved efficient gas anchor

Publications (2)

Publication Number Publication Date
CN106761658A true CN106761658A (en) 2017-05-31
CN106761658B CN106761658B (en) 2023-09-29

Family

ID=58952808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611271679.3A Active CN106761658B (en) 2016-12-13 2016-12-13 Improved efficient gas anchor

Country Status (1)

Country Link
CN (1) CN106761658B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355209A (en) * 2017-08-04 2017-11-17 贺胜堂 Rotation sand control gs-oil separator
RU190456U1 (en) * 2019-04-29 2019-07-01 Акционерное общество "Новомет-Пермь" SUBMERSHIP GAS
CN110080742A (en) * 2019-05-21 2019-08-02 长江大学 A kind of rotary screw type gas anchor

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2054826U (en) * 1989-08-29 1990-03-21 华北石油管理局采油工艺研究所 Small-diameter air anchor
US6189614B1 (en) * 1999-03-29 2001-02-20 Atlantic Richfield Company Oil and gas production with downhole separation and compression of gas
US6394182B1 (en) * 1999-06-08 2002-05-28 Petroleo Brasileiro S.A. - Petrobras Oil-gas separating method and bottom-hole spiral separator with gas escape channel
US20060245945A1 (en) * 2005-04-14 2006-11-02 Baker Hughes Incorporated Crossover two-phase flow pump
CN200950077Y (en) * 2006-09-21 2007-09-19 赵建光 Double-chamber oil separator
CN101235709A (en) * 2007-02-02 2008-08-06 中国石油化工股份有限公司 Petroleum engineering circulating gas regeneration method and its special equipment
CN201162525Y (en) * 2008-03-07 2008-12-10 北京伊万森能源技术有限责任公司 Multifunctional oil storage apparatus for oil well
CN201546691U (en) * 2009-09-28 2010-08-11 濮阳市中发石油机械有限公司 Multistage separation gas anchor
CN102094617A (en) * 2011-01-18 2011-06-15 中国石油化工股份有限公司 Pitch-variable spiral gas anchor
CN202012341U (en) * 2011-04-25 2011-10-19 高淑梅 High efficiency gas anchor for screw pump
CN102470378A (en) * 2009-07-10 2012-05-23 阿尔法拉瓦尔股份有限公司 Gas cleaning separator
CN102704907A (en) * 2012-06-16 2012-10-03 李德传 Oil well gas anchor
CN203145897U (en) * 2013-01-10 2013-08-21 王刚 Multifunctional oil pump
WO2013187801A2 (en) * 2012-06-14 2013-12-19 Закрытое Акционерное Общество "Новомет-Пермь" (Зао "Новомет-Пермь") Downhole pump assembly
CN206636546U (en) * 2016-12-13 2017-11-14 国家深海基地管理中心 Improved high-efficiency gas anchor

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2054826U (en) * 1989-08-29 1990-03-21 华北石油管理局采油工艺研究所 Small-diameter air anchor
US6189614B1 (en) * 1999-03-29 2001-02-20 Atlantic Richfield Company Oil and gas production with downhole separation and compression of gas
US6394182B1 (en) * 1999-06-08 2002-05-28 Petroleo Brasileiro S.A. - Petrobras Oil-gas separating method and bottom-hole spiral separator with gas escape channel
US20060245945A1 (en) * 2005-04-14 2006-11-02 Baker Hughes Incorporated Crossover two-phase flow pump
CN200950077Y (en) * 2006-09-21 2007-09-19 赵建光 Double-chamber oil separator
CN101235709A (en) * 2007-02-02 2008-08-06 中国石油化工股份有限公司 Petroleum engineering circulating gas regeneration method and its special equipment
CN201162525Y (en) * 2008-03-07 2008-12-10 北京伊万森能源技术有限责任公司 Multifunctional oil storage apparatus for oil well
CN102470378A (en) * 2009-07-10 2012-05-23 阿尔法拉瓦尔股份有限公司 Gas cleaning separator
CN201546691U (en) * 2009-09-28 2010-08-11 濮阳市中发石油机械有限公司 Multistage separation gas anchor
CN102094617A (en) * 2011-01-18 2011-06-15 中国石油化工股份有限公司 Pitch-variable spiral gas anchor
CN202012341U (en) * 2011-04-25 2011-10-19 高淑梅 High efficiency gas anchor for screw pump
WO2013187801A2 (en) * 2012-06-14 2013-12-19 Закрытое Акционерное Общество "Новомет-Пермь" (Зао "Новомет-Пермь") Downhole pump assembly
CN102704907A (en) * 2012-06-16 2012-10-03 李德传 Oil well gas anchor
CN203145897U (en) * 2013-01-10 2013-08-21 王刚 Multifunctional oil pump
CN206636546U (en) * 2016-12-13 2017-11-14 国家深海基地管理中心 Improved high-efficiency gas anchor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
于洪英等: "涡流高效防砂分离器研制与应用", 《石油机械》 *
王尊策等: "井下螺旋式气液分离器分离性能的数值模拟", 《科学技术与工程》 *
田旭: "特高含水期不加热集输工艺的改进", 《油气田地面工程》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355209A (en) * 2017-08-04 2017-11-17 贺胜堂 Rotation sand control gs-oil separator
RU190456U1 (en) * 2019-04-29 2019-07-01 Акционерное общество "Новомет-Пермь" SUBMERSHIP GAS
CN110080742A (en) * 2019-05-21 2019-08-02 长江大学 A kind of rotary screw type gas anchor

Also Published As

Publication number Publication date
CN106761658B (en) 2023-09-29

Similar Documents

Publication Publication Date Title
CN206636546U (en) Improved high-efficiency gas anchor
CN102784728B (en) Underground two-stage cyclone separator
CN106761658A (en) Improved high-efficiency gas anchor
CN105672876B (en) A kind of combustible ice drilling and the integrated quarrying apparatus of gasification separation and method
CN104213898B (en) Well bottom gas-liquid separator
CN102392629A (en) Pressurizing device for ground drive downhole oil-water separation injection-production system in same well
CN107060724A (en) Oily-water seperating equipment under the screw bolt well of a kind of deep-well and high re-injection pressure well
CN205533200U (en) Protector of electrical submersible pump screw pump reduction gear special use in pit
CN204827414U (en) Three -phase separator is consolidated to gas -liquid in pit
CN206636547U (en) Oily-water seperating equipment under the screw bolt well of a kind of deep-well and high re-injection pressure well
CN209908398U (en) Special wear-resisting high-efficient screw rod drilling tool of coal bed gas
CN203257327U (en) Threaded rod reversing underground hydraulic pressurizing well drilling device
CN107532470A (en) Fluid for oil gas application drives hybrid system
CN203701950U (en) Turbine mixed-flow type underground power pressurization drilling tool
CN206309357U (en) A kind of oil well gas collection polyblends process pipe string
CN209875142U (en) Oil-water separation system under pumping and production-injection integrated pump well
CN203783533U (en) Oil production system of waterpower oil-submerged pump
CN103953293B (en) Helicoid hydraulic motor damping air deflector
CN109944580A (en) A kind of machine is taken out and infuses One-piece pump downhole oil-water separation system with adopting
CN204511367U (en) A kind of two-way anti-channeling slips
CN103925202B (en) Colliery pump at the bottom of ponding pump drainage hole
CN203329512U (en) Drilling liquid-gas separator for air hammer
CN201747321U (en) Oil-well pump slice mining converter
CN104100523A (en) Transmission protection device of screw reinjection pump in same-well injection-production unit
CN204003442U (en) Same-well injection is adopted the driving protection device of screw rod re-injection pump in unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
DD01 Delivery of document by public notice
DD01 Delivery of document by public notice

Addressee: Cheng Dan

Document name: Notice of Conformity

DD01 Delivery of document by public notice
DD01 Delivery of document by public notice

Addressee: Cheng Dan

Document name: Notice of Conformity

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20230825

Address after: 719300 Muhegou, Houliuta Village, Daliuta Town, Shenmu County, Yulin City, Shaanxi Province

Applicant after: Shenmu Fuyuansheng Mine Support Material Co.,Ltd.

Address before: 266237 No.1 Weiyang Road, Aoshanwei Town, Jimo City, Qingdao City, Shandong Province

Applicant before: NATIONAL DEEP SEA CENTER

GR01 Patent grant
GR01 Patent grant